diff --git a/Cargo.toml b/Cargo.toml
index 4aa5f403a..24cd8e2a1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,8 +28,8 @@ pretty_env_logger = { version = "0.4", optional = true }
 anyhow = "1.0"
 filetime = "0.2.9"
 flate2 = { version = "1.0.3", default-features = false, features = ["zlib"] }
-git2 = "0.14.2"
-git2-curl = "0.15.0"
+git2 = "0.15.0"
+git2-curl = "0.16.0"
 glob = "0.3.0"
 hex = "0.4"
 home = "0.5"
@@ -41,7 +41,7 @@ jobserver = "0.1.24"
 lazycell = "1.2.0"
 libc = "0.2"
 log = "0.4.6"
-libgit2-sys = "0.13.2"
+libgit2-sys = "0.14.0"
 memchr = "2.1.3"
 opener = "0.5"
 os_info = "3.5.0"
diff --git a/crates/cargo-test-support/Cargo.toml b/crates/cargo-test-support/Cargo.toml
index 81ef1bcb7..b211c4716 100644
--- a/crates/cargo-test-support/Cargo.toml
+++ b/crates/cargo-test-support/Cargo.toml
@@ -14,7 +14,7 @@ cargo-util = { path = "../cargo-util" }
 snapbox = { version = "0.2.8", features = ["diff", "path"] }
 filetime = "0.2"
 flate2 = { version = "1.0", default-features = false, features = ["zlib"] }
-git2 = "0.14.2"
+git2 = "0.15.0"
 glob = "0.3"
 itertools = "0.10.0"
 lazy_static = "1.0"